R51/3 & R67 engine numbers

In the course of 1951, BMW changed the format of the engine number and the BMW letters cast in the engine case. The upper one is the old format. Note the dots between the BMW letters. The early engine cases had the VIN number stamped in an oval window. Later on the VIN number moved to the area just above the pushrod tubes Photos: Manolis Saravelakis, Greece                                                            

Motorcycle models

Overview of  BMW motorcycle models produced from 1948 to 1969 (specials not included) Click for larger image: Models & Production Numbers